Building a $50 SDR with 20 MHz Bandwidth
https://hackaday.com/2026/03/22/building-a-50-sdr-with-20-mhz-bandwidth/

Although the RTL-SDR is cheap, accessible, and capable enough for many projects, it does have some important limitations. In particular, its bandwidth is limited to about 3.2 MHz, and the …read more (https://hackaday.com/2026/03/22/building-a-50-sdr-with-20-mhz-bandwidth/)